Effect of Quenching Medium on Sliding Tribology of Self-Lubricating Al-Cu Metal Matrix Composites

The cooling rate during fabrication affects the microstructural features and interface strength in metal matrix composites (MMCs). Thus, the present investigation is focused on characterizing the effect of quenching medium on wear and friction response of self-lubricating Al-Cu dual matrix composite...

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Main Authors: Parshant Kumar, Vijay Kumar Srivastava
Format: Article
Language:English
Published: Japanese Society of Tribologists 2020-06-01
Series:Tribology Online
Subjects:
Online Access:https://www.jstage.jst.go.jp/article/trol/15/3/15_142/_pdf/-char/en
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author Parshant Kumar
Vijay Kumar Srivastava
author_facet Parshant Kumar
Vijay Kumar Srivastava
author_sort Parshant Kumar
collection DOAJ
description The cooling rate during fabrication affects the microstructural features and interface strength in metal matrix composites (MMCs). Thus, the present investigation is focused on characterizing the effect of quenching medium on wear and friction response of self-lubricating Al-Cu dual matrix composites. Mica was reinforced in Al-Cu metal matrix composites with the variation of weight percentage as 1%, 2%, 3%, 5%, 8% and 10%. A standard powder metallurgy route was adopted for fabrication. The sintered composites were normalized, and quenched in water, and oil. A pin on disc study was carried to investigate the friction and wear behavior of normalized, oil quenched, water quenched and as-prepared (green) composites. The results revealed that oil quenched composites exhibited the lowest friction coefficient and highest wear loss. The highest friction coefficient of ~0.8 was observed for normalized composites, whereas the highest friction coefficient for water quenched composites was ~0.6. The oil quenched composites exhibited about 8 ~ 15 times higher wear loss as compared to normalized and water quenched composites. Worn surfaces were analyzed under a scanning electron microscope to know the dominant wear mechanisms. The developed composites find potential applications in automotive industry such as pistons for petrol and diesel engines.
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spelling doaj.art-356f0a6bd75345d384b08dac5d1944f62022-12-21T20:37:20ZengJapanese Society of TribologistsTribology Online1881-21982020-06-0115314214910.2474/trol.15.142trolEffect of Quenching Medium on Sliding Tribology of Self-Lubricating Al-Cu Metal Matrix CompositesParshant Kumar0Vijay Kumar Srivastava1Department of Mechanical Engineering, Indian Institute of Technology (Banaras Hindu University) VaranasiDepartment of Mechanical Engineering, Indian Institute of Technology (Banaras Hindu University) VaranasiThe cooling rate during fabrication affects the microstructural features and interface strength in metal matrix composites (MMCs). Thus, the present investigation is focused on characterizing the effect of quenching medium on wear and friction response of self-lubricating Al-Cu dual matrix composites. Mica was reinforced in Al-Cu metal matrix composites with the variation of weight percentage as 1%, 2%, 3%, 5%, 8% and 10%. A standard powder metallurgy route was adopted for fabrication. The sintered composites were normalized, and quenched in water, and oil. A pin on disc study was carried to investigate the friction and wear behavior of normalized, oil quenched, water quenched and as-prepared (green) composites. The results revealed that oil quenched composites exhibited the lowest friction coefficient and highest wear loss. The highest friction coefficient of ~0.8 was observed for normalized composites, whereas the highest friction coefficient for water quenched composites was ~0.6. The oil quenched composites exhibited about 8 ~ 15 times higher wear loss as compared to normalized and water quenched composites. Worn surfaces were analyzed under a scanning electron microscope to know the dominant wear mechanisms. The developed composites find potential applications in automotive industry such as pistons for petrol and diesel engines.https://www.jstage.jst.go.jp/article/trol/15/3/15_142/_pdf/-char/encompositesfrictionwearabrasionadhesionsurfacesquenchingself-lubricating
spellingShingle Parshant Kumar
Vijay Kumar Srivastava
Effect of Quenching Medium on Sliding Tribology of Self-Lubricating Al-Cu Metal Matrix Composites
Tribology Online
composites
friction
wear
abrasion
adhesion
surfaces
quenching
self-lubricating
title Effect of Quenching Medium on Sliding Tribology of Self-Lubricating Al-Cu Metal Matrix Composites
title_full Effect of Quenching Medium on Sliding Tribology of Self-Lubricating Al-Cu Metal Matrix Composites
title_fullStr Effect of Quenching Medium on Sliding Tribology of Self-Lubricating Al-Cu Metal Matrix Composites
title_full_unstemmed Effect of Quenching Medium on Sliding Tribology of Self-Lubricating Al-Cu Metal Matrix Composites
title_short Effect of Quenching Medium on Sliding Tribology of Self-Lubricating Al-Cu Metal Matrix Composites
title_sort effect of quenching medium on sliding tribology of self lubricating al cu metal matrix composites
topic composites
friction
wear
abrasion
adhesion
surfaces
quenching
self-lubricating
url https://www.jstage.jst.go.jp/article/trol/15/3/15_142/_pdf/-char/en
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